140879143 has 8 divisors (see below), whose sum is σ = 142730640. Its totient is φ = 139036800.

The previous prime is 140879111. The next prime is 140879147. The reversal of 140879143 is 341978041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140879143 - 2⁵ = 140879111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140879147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31968 + ... + 36106.

It is an arithmetic number, because the mean of its divisors is an integer number (17841330).

Almost surely, 2^140879143 is an apocalyptic number.

140879143 is a deficient number, since it is larger than the sum of its proper divisors (1851497).

140879143 is a wasteful number, since it uses less digits than its factorization.

140879143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4577.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 140879143 is about 11869.2519983359. The cubic root of 140879143 is about 520.3340346391.

The spelling of 140879143 in words is "one hundred forty million, eight hundred seventy-nine thousand, one hundred forty-three".